.footer_box{
    display: flex;
    align-items: center;
    justify-content: center;
    height: 60px;
    background-color: green;
    width: 100%;
}

.footer_box a{
    margin: 10px 20px;
    color: #000;
    text-decoration: none;
}

.footer_box a:hover{
    text-decoration:none;
}

.footer_box a.active{
    color: #fff;
}